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    Going through FP1 really quickly for the first time on me ones so idk whether I'm being stupid or if the textbook has a misprint

    Parametrics given as X=ct and y=c/t so standard coordinates should be P(ct,c/t) right? The book says P(ct^2,c/t) and continues to use it within examples?
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    (Original post by RonnieRJ)
    Going through FP1 really quickly for the first time on me ones so idk whether I'm being stupid or if the textbook has a misprint

    Parametrics given as X=ct and y=c/t so standard coordinates should be P(ct,c/t) right? The book says P(ct^2,c/t) and continues to use it within examples?
    Can you post a photo?
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    (Original post by BarryBeTrippin)
    Can you post a photo?
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    Am I being stupid and missing something?
    I was thinking its a misprint cause last chapter is parabolas where X=at^2?
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    (Original post by RonnieRJ)
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    Am I being stupid and missing something?
    I was thinking its a misprint cause last chapter is parabolas where X=at^2?
    Yeah it's an error my book has the coordinates at (ct, c/t)
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    (Original post by BarryBeTrippin)
    Yeah it's an error my book has the coordinates at (ct, c/t)
    Ah ok thank youuu
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    (Original post by RonnieRJ)
    Going through FP1 really quickly for the first time on me ones so idk whether I'm being stupid or if the textbook has a misprint

    Parametrics given as X=ct and y=c/t so standard coordinates should be P(ct,c/t) right? The book says P(ct^2,c/t) and continues to use it within examples?
    Mistake in the textbook, a quick check in your formula booklet will confirm this.
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    (Original post by RonnieRJ)
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    Am I being stupid and missing something?
    I was thinking its a misprint cause last chapter is parabolas where X=at^2?
    You're right - it's ct, not ct^2.
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    (Original post by Zacken)
    Mistake in the textbook, a quick check in your formula booklet will confirm this.
    Ooh didn't realise this was given in the formula booklet

    Thank you!
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    Lol are u working on the floor??
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    (Original post by RonnieRJ)
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    Am I being stupid and missing something?
    I was thinking its a misprint cause last chapter is parabolas where X=at^2?
    You have to trust your judgement on this - you want a cartesian equation xy = c^2 and the book's version doesn't work with the coordinates they've given so you are right
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    (Original post by davros)
    You have to trust your judgement on this - you want a cartesian equation xy = c^2 and the book's version doesn't work with the coordinates they've given so you are right
    Yeah I checked it with the Cartesian form but then I wondered if the equation they gave was wrong!
 
 
 
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